The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 14, 2026

Filed:

Apr. 25, 2024
Applicant:

Varjo Technologies Oy, Helsinki, FI;

Inventors:

Mikko Ollila, Tampere, FI;

Ville Timonen, Helsinki, FI;

Assignee:

Varjo Technologies Oy, Helsinki, FI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 23/73 (2023.01); G06F 3/01 (2006.01); G06V 10/25 (2022.01); G06V 10/60 (2022.01); G06V 10/82 (2022.01); H04N 23/76 (2023.01);
U.S. Cl.
CPC ...
H04N 23/73 (2023.01); G06F 3/013 (2013.01); G06V 10/25 (2022.01); G06V 10/60 (2022.01); G06V 10/82 (2022.01); H04N 23/76 (2023.01);
Abstract

Disclosed is method for exposure correction. The method includes receiving at least one image; defining a low-resolution brightness map, associated with the at least one image, corresponding to an ambient lighting condition in which the at least one image is captured; and correcting an exposure in the at least one image, to restore at least one inaccurately-illuminated area of the at least one image, by guiding the at least one image based on the low-resolution brightness map, wherein the at least one inaccurately-illuminated area is at least one of: at least one under-illuminated area of the at least one image, at least one over-illuminated area of the at least one image.


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